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Unusual Presentations of Low-Tension Glaucoma.
Jody Z He1,2, Vikas Chopra1,2
1Department of Ophthalmology, David Geffen School of Medicine at UCLA, UCLA Stein Eye Institute, Los Angeles, CA, USA.
Case Reports in Ophthalmology
|March 27, 2023
Summary
Humphrey visual field (HVF) 10-2 tests effectively detect central vision loss in low-tension glaucoma cases. This method aids in diagnosing challenging presentations missed by standard 24-2 tests.
Area of Science:
- Ophthalmology
- Neurology
Background:
- Low-tension glaucoma diagnosis can be challenging, especially with atypical patient presentations.
- Standard visual field testing may not always reveal subtle central vision deficits.
Observation:
- Two patients with low-tension glaucoma presented with central "blind spots."
- Humphrey visual field (HVF) 24-2 tests initially appeared normal.
- HVF 10-2 testing revealed specific central scotomas correlating with patient symptoms.
Findings:
- The Humphrey visual field 10-2 test demonstrated its value in identifying central visual field defects.
- This testing modality successfully identified deficits missed by the standard HVF 24-2 test in both cases.
Implications:
- The HVF 10-2 test is a valuable tool for diagnosing low-tension glaucoma with central vision involvement.
- Early and accurate diagnosis using specialized visual field testing can lead to timely treatment and slowed vision loss.
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